Function Buttons - Klein Tools ET250 Manuel D'instructions

+
Positive Lead Input
Double Insulated Class II
Warning or Caution
Indicates presence of voltage
> 50V AC or DC
Audible Continuity
GFCI Ground Fault Circuit Interrupter
testing mode
POWER-ON/OFF: Press the On/Off button to turn the tester on or off.
The tester will automatically power-ON if test leads are applied to
a circuit and it detects voltage >12V. The tester will automatically
power-OFF following 15 minutes of inactivity to conserve battery life.
BACKLIGHT: Press the Backlight button to turn on/off the backlight.
The backlight will automatically power off after 3 minutes of
inactivity to conserve battery life.
WORKLIGHT: Press the Worklight button to turn on/off the worklight.
The worklight will remain on until turned off or tester powers off.
GFCI TEST: Press to perform a GFCI test. See OPERATING
INSTRUCTIONS for details.
CONNECTING TEST LEADS
USE PROPER SAFETY-RATED TEST LEADS
Connect test leads by inserting the black lead into the "COM" jack
and the red lead into the "+" jack. Do not test if leads are improperly
seated. Results could cause intermittent display readings. To ensure
proper connection, firmly press leads into the input jack completely.
SYMBOLS ON TESTER
COM Common / Negative Lead Input
SYMBOLS ON LCD

FUNCTION BUTTONS

OPERATING INSTRUCTIONS
INCORRECT
CORRECT
Ground
Risk of Electrical Shock
VAC AC Voltage
VDC DC Voltage
Worklight
Low Battery Indicator
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